It’s no exaggeration to say Alejandro González Iñárritu has built his career on human misery. Amores Perros, 21 Grams, Babel, and Biutiful were thoughtful, inspiring, even beautiful in their own ways, but one thing they weren’t was cheerful. But apparently there’s only so much gloom and doom even he can take. The renowned Mexican filmmaker is switching gears completely with his next picture, which will be an honest-to-God comedy called Birdman. More details after the jump.